G.f. satisfies: A(A(x)) = Sum_{n>=1} A(x)^(n^2)/x^(n^2-n).
A177133
G.f. satisfies: A(A(x)) = Sum_{n>=1} A(x)^(n^2)/x^(n^2-n).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =12a(4) =54a(5) =261a(6) =1344a(7) =7380a(8) =43099a(9) =265739a(10) =1717466a(11) =11586670a(12) =81422063a(13) =594828360a(14) =4508090145a(15) =35380563603a(16) =287130931064
External references
- oeis: A177133